Air freshener



FIG. 1 is a front view of an air freshener showing my new design;

FIG. 2 is a rear view of an air freshener showing my new design;

FIG. 3 is a right side view of an air freshener showing my new design;

FIG. 4 is a left side view of an air freshener showing my new design;

FIG. 5 is a top view of an air freshener showing my new design;

FIG. 6 is a bottom view of an air freshener showing my new design; and,

FIG. 7 is a perspective view of an air freshener showing my new design. 

The ornamental design for an air freshener, as shown and described. 